Here's how to play a YouTube video with Display NOW.
1. Find the video you'd like to display and open the "SHARE" menu on the bottom right side of the video.
2. Click Embed
3. Set Start at (optional), uncheck show player controls and copy the embed link that's shown highlighted.
4. Navigate to Display NOW Manager > Media Apps > Web Page Media App
5. Paste the embed link into the URL field and click save.
6. Head over to the Playlists tab. Create or edit a playlist. Select the media, display(s) and you're done!